* {
    padding: 0;
    margin: 0;
}
body,html {
    width: 100%;
    height: 100%;
    background: url('/assets/images/login_bg.jpg')no-repeat center top;
    background-size: cover;
}
.header {
    padding-top: 20px;
}
.login-reg {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 310px;
    background-color: #fff;
    transform: translate(-50% , -50%);
}
.title-box {
width: 100%;
height: 60px;
background: url('/assets/images/login_title.png')no-repeat center center;
}
form {
    padding: 0 30px;
}
.layui-form-item {
    position: relative;
}
.layui-icon {
    position: absolute;
    top: 10px;
    left: 10px;
}
.layui-input {
    padding-left: 32px;
}